1. Classic biodegradable coating technology - Unique formulated biodegradable polylactic acid(PLA) coating as drug carrier, which will degrade completely into CO2&H2O in 6-9 month, with reduced chronic inflammatory reactions - Lower rates of MACE with safety proved 6 months DAPT - Significantly lower rate of ST/VLST -Targeted drug release via abluminal biodegradable coating 2.Strong support and good deliverability -316L stainless steel platform, elastic recoil rate<3%, strong support, good visibility 3.Large side branch access 4.EXCEL provides various sizes of long stent (e.g. 36mm) for more selection